Laserfiche WebLink
SEISMIC ANALYSIS <br /> MECHANICAL EQUIPMENT <br /> i/e 0/Yaur Building <br /> Seismic Demands on Non-Structural Components(Strength Level Forcesk [§ 13.3.1 ASCE 7-10] <br /> Design Factors: <br /> Equipment Type,Tag: AC-15 SDs: 1.1 Spectral Acc,short period <br /> Equipment Location: ROOF Ap: 2.5 (T-13-6-1) <br /> Equipment Weight(Wt): 1,384 LBS Rp: 6 (T-13-6-1) <br /> Equipment Mount: RIGID Ip: 1 Component importance factor <br /> z/h: 1.00 <br /> Seismic Forces. <br /> Fp= 761 LBS [13.3-1] Fp(calc)=0.4 x((ap)x(Sds)x(Wt)x(1+2 x(z/h))]/(Rp/Ip) <br /> Fp(max)= 2,436 LBS [13.3-2] Fp(max)=1.6 x Sds x Wt x Ip <br /> Fp(min)= 457 LBS [13.3-3] Fp(min)=0.3 x Sds x Wt x Ip <br /> Fp(min)<Fp<Fp(max), Use Fp[13.3-1] <br /> Design Fph= 761 LBS <br /> Fpv= 304 LBS I[Sect. 13.3] Fpv=0.2 x Sds x Wt <br /> Seismic Analysis:(Rigid Equipment,Limiting Transverse Width Controls OTM) <br /> dmin(Trans)= 54 in. <br /> CG Height= 24 in. FPv <br /> N = 4 (Qnty of Conn) iC.G. <br /> —g.- <br /> FP. <br /> T <br /> Service Reactions: W <br /> V <br /> RD= 0.35 K(Per Conn) =W/N <br /> ROTM= 0.17 K(+/-T&C) =(Fph *CG)/dmin/(N/2) dmm 4-z <br /> RFpv= 0.08 K(+/-) = Fpv/N RD 1 <br /> (Max Tension per ASCE 7, (U7):0.9D+1.OE) <br /> ROTM <br /> Nu=l 0.00 K NO UPLIFT <br /> (Max_Compression per ASCE 7, (U5): 1.2D+1.OE) I RFpv i <br /> Pu= 0.66 K COMPRESSION <br /> (Total Base Shear:) <br /> Vu(Total)= 0.76 K OTM = Overturning Moment <br /> (Max Shear per Connection): RM = Resisting Moment <br /> Vu=l 0.19 K(Per Conn) W = Equipment Operating Weight <br /> FPM = Seismic Horizontal Force <br /> FP„ = Seismic Vertical Force <br /> Comments: dm. = Mimimum Width of Equipment <br /> T = Maximum Tensile Force <br /> V = Maximum Shear Force <br /> h = Height to Center of Gravity <br />